<!DOCTYPE html>
<html>
<head>
	<title></title>
	<link rel="stylesheet" type="text/css" href="css/common_class.css">
</head>
<body>
	<!-- 绿色  20px -->
	<p  class="lv big">MJJ</p>
	<!-- 绿色 粗 -->
	<p  class="lv bold">MJJ</p>
	<!-- 粗 20px -->
	<p  class="big bold">MJJ</p>
</body>
</html>